BMW 5 series E39

Since 1996-2001 of release

Repair and car operation

+ Introduction
+ The maintenance instruction
+ Current leaving and service
+ The engine
- Systems of cooling, heating
   - Cooling system
      Check of system of cooling
      Removal, installation and thermostat check
      Removal and installation of the fan and муфты the fan
      Removal and installation of a broad tank
      Removal and radiator installation
      Removal and installation of the pump of a cooling liquid
   + Heater
   + Air conditioner
+ The power supply system and release
+ Engine electric equipment
+ Manual transmission
+ Automatic transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
+ Electric equipment schemes
+ System of onboard diagnostics

Removal and installation of the fan and муфты the fan

Вязкостную муфту it is necessary to replace, if the nave has teases. Thus the fan at the motionless engine does not rotate or rotates hardly. Муфту it is necessary to replace also if the axial or radial backlash exceeds 0.6 mm. For check it is necessary to move the fan every which way. Oil should not to follow from a nave.


1. Turn away a bolt of fastening of the fan a key of 32 mm and remove it. Address to an accompanying illustration.

The nut has the left carving.

At отворачивании nuts compress клиновой a belt of the pump of a cooling liquid, keeping thus a nave from rotation. If the nut sits very strongly, strike a hammer on a key for отворачивания nuts. (Repair trucks BMW apply for this purpose the special tool keeping a pulley for heads of bolts). After отворачивания nuts completely to turn away it it is possible rotation крыльчатки. Thus it is necessary to pay attention to that крыльчатка has not fallen.

2. Disconnect a fan cover from above at the left and on the right. For this purpose take out a pin a narrow screw-driver. Address to an accompanying illustration.

3. Press a fan cover from above in the centre and disconnect a pad.
4. Take out the fan together with a cover upward.

5. If it is necessary to disconnect крыльчатку from вязкостной муфты, turn out bolts of fastening and take out муфту. Address to an accompanying illustration.


1. Insert вязкостную муфту in крыльчатку and tighten bolts of fastening by the moment of 10 Nanometers.

For an exception of damage of a carving and муфты in no event it is impossible to tighten bolts too strongly. (Address to an accompanying illustration).

2. A cover of the fan with the fan insert from above so that the bottom laths of fastening have entered into eyes on a radiator.
3. Insert clips and fix their pins. Replace the damaged clips or pins.
4. Fix the fan to a nave of the pump of a cooling liquid the moment of 40 Nanometers. Thus a nave keep for клиновой a belt or for heads of bolts.